Home / 22,007,787.90-30,370,156.38-13,192,219.86

Finding the Fourth Proportional to 22,007,787.90, 30,370,156.38 and 13,192,219.86

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Solution

The fourth proportional to 22,007,787.90, 30,370,156.38 and 13,192,219.86 is: 18,204,909.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,007,787.90 : 30,370,156.38 = 13,192,219.86 : x
  2. Step 2: Convert to fraction form
    22,007,787.90/30,370,156.38 = 13,192,219.86/x
  3. Step 3: Cross multiply
    22,007,787.90x = 30,370,156.38 × 13,192,219.86
  4. Step 4: Simplify right side
    22,007,787.90x = 400,649,780,147,541.69
  5. Step 5: Solve for x
    x = 400,649,780,147,541.69/22,007,787.90
  6. Step 6: Final answer
    x = 18,204,909.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.